Menu

NGC 6920 — Galaxy in Octans

Galaxy Fair (35/100)

Lenticular

Magnitude 12.0m Galaxy Octans (Oct) Visible
Star Map
+ List + Plan Star Hop

Observe

1Properties

Magnitude 11.97
Angular Size 2.3′ × 1.9′
Position Angle 132°
Distance 122.62 million ly
Galaxy Type Lenticular (S0)
pB, cS, R, psmbM

Position & Identifiers

RA 20h 43m 54.0s
Dec -80° 00' 00.0"
Constellation Octans (Oct)
Catalog NGC 6920

2How easy to spot?

Sign in and configure your equipment and default location to see a personalized row.
Telescope Bortle 3 Bortle 4 Bortle 5
80mm refr. Hard+ Hard V. hard+
150mm Newt. Medium+ Medium Hard+
C8 203mm Medium+ Medium+ Medium
Easy Medium Hard Very hard Impossible

Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs

Medium on Seestar S50

3Visibility

Set a location in User Settings to see visibility data.

Best season Jun – Aug (peak: Jul)

4 Eyepiece View

Log in to set your own equipment
125x TFOV: 0.4° Lim. mag: 13.6
N E

NGC 6920 · 2.3′×1.9′ · N up, E left

5 Best Magnification

Explore

6 Surface Brightness

7 Morphology Decoder

8 Inclination & True Shape

9 Redshift

10 Size Comparator

Discover

11

Light Travel Time Machine

12

Relativistic Travel

Nearby in the Sky

Other targets within a few degrees — pan your scope a little and keep exploring.

Visibility scores assume a 150 mm Newton at Bortle 4.

Lambda Oct
Easy
Easy double, sep 3.3″
Double Star mag 5.29 3.7° Octans
Epsilon Oct
Medium
Semi-regular variable, range 4.6–5.3
Variable Star mag 5.10 4.1° Octans
NGC 6932
Hard+
Bright spiral galaxy
Galaxy mag 12.45 6.4° Pavo
NGC 6876
Hard
Elliptical galaxy
Galaxy mag 13.0 9.3° Pavo
NGC 6877
Hard+
Elliptical galaxy
Galaxy mag 12.7 9.3° Pavo
NGC 6872
Medium+
Barred spiral galaxy
Galaxy mag 11.6 9.4° Pavo
Show on Map

Explore Nightbase

Related knowledge, tools, and stories — no observation planning required.

William Parsons
Built the Leviathan of Parsonstown; first to resolve spiral structure of nebulae
Biography
Galaxies and the Interstellar Medium
The Hubble tuning fork, Tully-Fisher distances, metallicity, Wolf-Rayet stars, HII regions, interstellar dust, the 21-cm hydrogen line, and the Sunyaev-Zel'dovich effect — the working toolkit astronomers use to read galaxies and the stuff between their stars.
Article
Octans
Mythology, bright stars, and deep-sky highlights.
Constellation
}